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Sixth Street Specialty Lending, Inc.

TSLX
Exchange
NYSE
SEC CIK
0001508655

No open-market purchases or sales by Sixth Street Specialty Lending, Inc. insiders were filed in the last 90 days; 242 institutions reported holding it in 13F filings for Q2 2026, worth $896.5M in total; no superinvestor holds it.

13F holders, Q4 2021

Institutional positions in Sixth Street Specialty Lending, Inc. as of Dec 31, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
168
+9 vs. Q3 2021
Shares held
36.3M
+55.6K (+0.2%) vs. Q3 2021
Total value
$855.4M
+$41.9M (+5.2%) vs. Q3 2021
New holders
28
61 more added
Sold out
19
43 more reduced

Compare with Q3 2021: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting TSLX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2021: 168 institutions
Q1 2021: 159 institutionsQ2 2021: 158 institutionsQ3 2021: 159 institutionsQ4 2021: 168 institutionsQ1 2022: 171 institutionsQ2 2022: 180 institutionsQ3 2022: 175 institutionsQ4 2022: 196 institutionsQ1 2023: 195 institutionsQ2 2023: 202 institutionsQ3 2023: 205 institutionsQ4 2023: 223 institutionsQ1 2024: 220 institutionsQ2 2024: 224 institutionsQ3 2024: 202 institutionsQ4 2024: 223 institutionsQ1 2025: 236 institutionsQ2 2025: 245 institutionsQ3 2025: 247 institutionsQ4 2025: 258 institutionsQ1 2026: 260 institutionsQ2 2026: 242 institutions
Value heldQ4 2021: $855.4M
Q1 2021: $758.6MQ2 2021: $808.3MQ3 2021: $813.5MQ4 2021: $855.4MQ1 2022: $825.9MQ2 2022: $655.5MQ3 2022: $601.1MQ4 2022: $643.2MQ1 2023: $621.2MQ2 2023: $705.0MQ3 2023: $806.6MQ4 2023: $889.5MQ1 2024: $936.0MQ2 2024: $962.2MQ3 2024: $904.9MQ4 2024: $963.5MQ1 2025: $1.07BQ2 2025: $1.16BQ3 2025: $1.11BQ4 2025: $1.09BQ1 2026: $955.4MQ2 2026: $896.5M
Institutions holding TSLX and their total value by quarter
QuarterHoldersValue
Q2 2026242$896.5M
Q1 2026260$955.4M
Q4 2025258$1.09B
Q3 2025247$1.11B
Q2 2025245$1.16B
Q1 2025236$1.07B
Q4 2024223$963.5M
Q3 2024202$904.9M
Q2 2024224$962.2M
Q1 2024220$936.0M
Q4 2023223$889.5M
Q3 2023205$806.6M
Q2 2023202$705.0M
Q1 2023195$621.2M
Q4 2022196$643.2M
Q3 2022175$601.1M
Q2 2022180$655.5M
Q1 2022171$825.9M
Q4 2021168$855.4M
Q3 2021159$813.5M
Q2 2021158$808.3M
Q1 2021159$758.6M

Institutions, Q4 2021

Shares, value and share of portfolio for each institution holding Sixth Street Specialty Lending, Inc.; share changes are against Q3 2021.

Institutions holding TSLX in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Mach-1 Financial Group, Inc.28$00.00%+28New
Benjamin F. Edwards & Company, Inc.34$1.00K0.00%00.0%Unchanged
Signet Financial Management, LLC117$3.00K0.00%+117New
Cornerstone Advisory, LLC148$3.00K0.00%+148New
Zullo Investment Group, Inc.134$3.00K0.00%+134New
Harbor Investment Advisory, LLC200$5.00K0.00%00.0%Unchanged
Parallel Advisors, LLC228$5.00K0.00%+170+293.1%Added
Gradient Investments LLC231$5.00K0.00%+231New
Ahrens Investment Partners LLC200$5.00K0.00%+200New
Harbour Investments, Inc.290$7.00K0.00%−1,110−79.3%Reduced
Concord Wealth Partners283$7.00K0.00%+283New
Tucker Asset Management LLC320$7.46K0.00%00.0%Unchanged
Perkins Coie Trust Co348$8.00K0.00%00.0%Unchanged
Blume Capital Management, Inc.450$11.0K0.00%00.0%Unchanged
Quadrant Capital Group LLC569$13.0K0.00%+203+55.5%Added
Graves-Light Private Wealth Management, Inc.682$16.0K0.00%00.0%Unchanged
Aquatic Capital Management LLC700$16.0K0.03%+700New
O'Dell Group, LLC800$19.0K0.01%00.0%Unchanged
AllSquare Wealth Management LLC900$21.0K0.01%00.0%Unchanged
Lindbrook Capital, LLC1,000$23.0K0.00%−93−8.5%Reduced
Huntington National Bank1,001$23.0K0.00%+1,001New
First Community Trust NA1,000$23.4K0.02%+1,000New
Signaturefd, LLC1,119$26.0K0.00%−6−0.5%Reduced
American Portfolios Advisors1,450$33.9K0.00%00.0%Unchanged
Quantbot Technologies LP1,500$35.0K0.00%+1,500New
Carolinas Wealth Consulting LLC1,565$37.0K0.01%+13+0.8%Added
Group One Trading, L.P.1,667$39.0K0.00%−1,700−50.5%Reduced
Umb Bank N A1,702$40.0K0.00%+1,702New
Spire Wealth Management2,310$54.0K0.00%00.0%Unchanged
NEXT Financial Group, Inc2,401$56.0K0.00%00.0%Unchanged
Tradition Wealth Management, LLC2,610$61.0K0.01%+37+1.4%Added
Future Financial Wealth Managment LLC3,900$92.0K0.07%+3,900New
Snowden Capital Advisors LLC4,500$105.0K0.01%+4,500New
Atlas Capital Advisors LLC5,115$119.6K0.02%00.0%Unchanged
Total Clarity Wealth Management, Inc.5,112$120.0K0.05%+881+20.8%Added
Steward Partners Investment Advisory, LLC8,194$192.0K0.00%00.0%Unchanged
Dynamic Technology Lab Private Ltd8,796$206.0K0.02%+8,796New
United Capital Financial Advisers, LLC8,867$207.0K0.00%+8,867New
Geneos Wealth Management Inc.9,118$213.0K0.01%+283+3.2%Added
The PNC Financial Services Group, Inc.9,310$218.0K0.00%00.0%Unchanged
Whittier Trust Co9,430$220.0K0.00%+2,200+30.4%Added
C2C Wealth Management, LLC9,500$222.0K0.03%+9,500New
Victory Capital Management Inc9,890$231.0K0.00%−271−2.7%Reduced
Mariner, LLC10,152$237.0K0.00%+10,152New
Kestra Advisory Services, LLC10,176$238.0K0.00%+20.0%Added
Stableford Capital II LLC10,503$242.0K0.10%00.0%Unchanged
Whalerock Point Partners, LLC10,375$242.7K0.08%00.0%Unchanged
Advisory Services Network, LLC10,555$247.0K0.01%+1,281+13.8%Added
Price T Rowe Associates Inc10,800$253.0K0.00%−319,200−96.7%Reduced
Zeke Capital Advisors, LLC11,197$262.0K0.02%00.0%Unchanged
Trexquant Investment LP11,436$267.0K0.02%+11,436New
Cubist Systematic Strategies, LLC11,475$268.0K0.00%+326+2.9%Added
Stephens Inc11,900$278.0K0.00%+11,900New
Guggenheim Capital LLC12,225$286.0K0.00%−42,416−77.6%Reduced
Security National Bank12,334$288.0K0.07%−305−2.4%Reduced
Acadian Asset Management LLC13,264$310.0K0.00%−37,922−74.1%Reduced
Tower Research Capital LLC (TRC)13,282$310.0K0.01%+1,019+8.3%Added
IFG Advisory, LLC15,037$351.0K0.03%+198+1.3%Added
Inspirion Wealth Advisors, LLC15,426$361.0K0.08%00.0%Unchanged
Raymond James Financial Services Advisors, Inc.15,432$361.0K0.00%+590+4.0%Added
Eagle Global Advisors LLC16,410$384.0K0.02%+2,730+20.0%Added
Independent Financial Group, LLC16,708$390.8K0.03%+1,417+9.3%Added
Mercer Global Advisors Inc17,930$419.0K0.00%−4,019−18.3%Reduced
First Republic Investment Management, Inc.18,219$426.0K0.00%+2,151+13.4%Added
Virtus ETF Advisers LLC18,424$431.0K0.16%−14,399−43.9%Reduced
HighTower Advisors, LLC19,201$448.0K0.00%+3,871+25.3%Added
Merrion Investment Management Co, LLC20,000$467.0K0.34%00.0%Unchanged
Centaurus Financial, Inc.20,113$470.0K0.04%00.0%Unchanged
Toroso Investments, LLC20,469$479.0K0.01%+6,622+47.8%Added
Jag Capital Management, LLC20,541$480.0K0.04%+50.0%Added
Benjamin Edwards Inc21,572$505.0K0.16%+579+2.8%Added
Thrivent Financial for Lutherans22,222$520.0K0.00%−3,405−13.3%Reduced
Circle Wealth Management, LLC22,665$530.0K0.07%+3,849+20.5%Added
Rockland Trust Co22,955$537.0K0.03%00.0%Unchanged
Schonfeld Strategic Advisors LLC23,200$543.0K0.01%+3,300+16.6%Added
Claybrook Capital, LLC23,660$553.0K0.26%00.0%Unchanged
First Manhattan Co24,360$569.0K0.00%00.0%Unchanged
Roosevelt Investment Group LLC25,653$600.0K0.03%00.0%Unchanged
Northeast Financial Consultants Inc26,000$608.0K0.04%00.0%Unchanged
Steelhead Partners LLC26,369$617.0K0.05%+26,369New
BlackRock Inc.26,936$630.0K0.00%−4,871−15.3%Reduced
Rockefeller Capital Management L.P.27,193$636.0K0.00%−2,001−6.9%Reduced
FourThought Financial, LLC27,545$644.0K0.08%−32,168−53.9%Reduced
Northern Trust Corp27,559$644.0K0.00%−1,906−6.5%Reduced
D.A. Davidson & Co.28,461$666.0K0.01%+10,834+61.5%Added
Caxton Associates LP28,805$674.0K0.09%+2,144+8.0%Added
GraniteShares Advisors LLC30,296$708.0K0.33%+30,296New
AE Wealth Management LLC32,598$762.0K0.01%−576−1.7%Reduced
Cambridge Investment Research Advisors, Inc.33,155$775.0K0.00%−2,788−7.8%Reduced
Qube Research & Technologies Ltd33,279$778.0K0.01%+33,279New
US Bancorp34,254$801.0K0.00%00.0%Unchanged
Kayne Anderson Capital Advisors LP34,322$803.0K0.02%−12,200−26.2%Reduced
Park Circle Co35,000$819.0K0.67%+25,000+250.0%Added
Monument Capital Management36,991$865.0K0.27%−1,837−4.7%Reduced
Advisor Group Holdings, Inc.37,290$873.0K0.00%+539+1.5%Added
Envestnet Asset Management Inc37,508$877.0K0.00%−13,466−26.4%Reduced
Truist Financial Corp37,992$889.0K0.00%−3,366−8.1%Reduced
Bramshill Investments, LLC39,455$923.0K0.09%−100−0.3%Reduced
Ameriprise Financial Inc40,186$940.0K0.00%+25,082+166.1%Added
Alberta Investment Management Corp41,700$975.0K0.01%00.0%Unchanged